package com.atguigu.tingshu.album.service.impl;

import com.atguigu.tingshu.album.config.VodConstantProperties;
import com.atguigu.tingshu.album.service.VodService;
import com.atguigu.tingshu.common.execption.GuiguException;
import com.atguigu.tingshu.common.result.ResultCodeEnum;
import com.atguigu.tingshu.common.util.UploadFileUtil;
import com.atguigu.tingshu.vo.album.TrackMediaInfoVo;
import com.qcloud.vod.VodUploadClient;
import com.qcloud.vod.model.VodUploadRequest;
import com.qcloud.vod.model.VodUploadResponse;
import com.tencentcloudapi.common.Credential;
import com.tencentcloudapi.vod.v20180717.VodClient;
import com.tencentcloudapi.vod.v20180717.models.*;
import lombok.SneakyThrows;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.HashMap;
import java.util.Map;


@Service
public class VodServiceImpl implements VodService {

    @Autowired
    private VodConstantProperties vodConstantProperties;

    /**
     * 上传声音方法
     * @param file 声音文件
     * @return
     */
    @Override
    public Map<String, Object> uploadTrack(MultipartFile file) {
        //获取腾讯云的账户Id和秘钥，这里不建议写死，写在nacos文件中，通过传参的方式获取，更方便修改

        //在本地临时的存储路径
        String tempPath =
                UploadFileUtil.uploadTempPath(vodConstantProperties.getTempPath(), file);
        //创建 VodUploadClient，传递腾讯云账户id和秘钥
        VodUploadClient client =
                new VodUploadClient(vodConstantProperties.getSecretId(), vodConstantProperties.getSecretKey());
        //创建request对象，封装需要数据
        VodUploadRequest request = new VodUploadRequest();
        //设置文件临时路径
        request.setMediaFilePath(tempPath);
        //设置任务流
        request.setProcedure(vodConstantProperties.getProcedure());

        try {
            //调用upload方法上传
            VodUploadResponse response = client.upload(vodConstantProperties.getRegion(), request);
            //创建map对象，返回的map里面包含的是腾讯云存储视频之后生成的FileId和在服务器存储的地址
            HashMap<String, Object> map = new HashMap<>();
            map.put("mediaFileId", response.getFileId());
            map.put("mediaUrl", response.getMediaUrl());
            //  返回map 数据
            return map;
        } catch (Exception e) {
            // 业务方进行异常处理
            throw new GuiguException(ResultCodeEnum.DATA_ERROR);
        }
    }

    /**
     * 根据声音的mediaFileId调用腾讯云方法获取声音文件的时长，文件大小，存储地址，文件类型
     * @param mediaFileId
     * @return
     */
    @SneakyThrows
    @Override
    public TrackMediaInfoVo getmediaInfoByFileId(String mediaFileId) {
        //  初始化认证对象
        Credential cred = new Credential(vodConstantProperties.getSecretId(),
                vodConstantProperties.getSecretKey());

        // 实例化要请求产品的client对象,clientProfile是可选的
        VodClient client = new VodClient(cred, vodConstantProperties.getRegion());

        // 实例化一个请求对象,每个接口都会对应一个request对象
        DescribeMediaInfosRequest req = new DescribeMediaInfosRequest();

        //  设置当前fileIds
        req.setFileIds(new String[]{mediaFileId});

        // 返回的resp是一个DescribeMediaInfosResponse的实例，与请求对象对应
        DescribeMediaInfosResponse response = client.DescribeMediaInfos(req);

        //  判断对象不为空
        if (response.getMediaInfoSet().length > 0) {
            //  获取到
            MediaInfo mediaInfo = response.getMediaInfoSet()[0];
            //  创建流媒体信息对象
            TrackMediaInfoVo trackMediaInfoVo = new TrackMediaInfoVo();
            trackMediaInfoVo.setDuration(mediaInfo.getMetaData().getDuration());
            trackMediaInfoVo.setSize(mediaInfo.getMetaData().getSize());
            trackMediaInfoVo.setMediaUrl(mediaInfo.getBasicInfo().getMediaUrl());
            trackMediaInfoVo.setType(mediaInfo.getBasicInfo().getType());
            //  返回数据
            return trackMediaInfoVo;
        }
        return null;
    }

    /**
     * 删除腾讯云上面对应的文件
     * @param mediaFileId
     */
    @SneakyThrows
    @Override
    public void removeTrack(String mediaFileId) {
        Credential cred = new Credential(vodConstantProperties.getSecretId(),
                                         vodConstantProperties.getSecretKey());
        // 实例化要请求产品的client对象,clientProfile是可选的
        VodClient client = new VodClient(cred, "");
        // 实例化一个请求对象,每个接口都会对应一个request对象
        DeleteMediaRequest req = new DeleteMediaRequest();
        req.setFileId(mediaFileId);
        // 返回的resp是一个DeleteMediaResponse的实例，与请求对象对应
        DeleteMediaResponse response = client.DeleteMedia(req);
    }
}
